[docs] added info about implementing _toContentValues() and _fillFromCursor() to the README
[docs] added info about implementing _toContentValues() and _fillFromCursor() to the README
adamin1990/storio,ysnows/storio,hai-nguyen/storio,pushtorefresh/storio,gostik/tweets-key-value,ysnows/storio,zayass/storio,gostik/tweets-key-value,0359xiaodong/storio,awesome-niu/storio,awesome-niu/storio,TonyTangAndroid/storio,inigo0178/storio,geralt-encore/storio,zayass/storio,inigo0178/storio,pushtorefresh/storio,pushtorefresh/storio,geralt-encore/storio,adamin1990/storio,TonyTangAndroid/storio,talenguyen/storio,geralt-encore/storio,sylsi/storio,murugespandian/storio,hai-nguyen/storio,WeRockStar/storio,murugespandian/storio,talenguyen/storio,0359xiaodong/storio,WeRockStar/storio,sylsi/storio